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Module Difference array
Difference array
Frequency: 7/10
An application of prefix sum.
Resources
- [Codeforces blog: An Introduction To Difference Arrays](https://codeforces.com/blog/entry/78762)
Problems
Range update
541 / 564
800
2D range update
340 / 345
800
Bulk range update
275 / 298
900
Climbing
72 / 90
1000
Stair range update
218 / 255
1100
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Prefix sum
Introduction to Prefix sum
Difference array
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